Παραπομπή APA

Watkins, J. (2004). Across the Board: The Mathematics of Chessboard Problems. UP.

Παραπομπή Chicago Style

Watkins, John. Across the Board: The Mathematics of Chessboard Problems. UP, 2004.

Παραπομπή MLA

Watkins, John. Across the Board: The Mathematics of Chessboard Problems. UP, 2004.

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